CN209229466U - A kind of blackboard lights having heat sinking function - Google Patents

Abstract

The utility model provides a kind of blackboard lights for having heat sinking function, including lamp body, further includes light source fixing plate, light-transmitting plate and curved reflecting plate；Light source fixing plate, light-transmitting plate and curved reflecting plate, which successively enclose, to be set to form a sector structure；Lamp body further includes curved surface shell, and a cavity is formed between curved surface shell and the curved reflecting plate；The surface of curved surface shell offers the air hole of predetermined number；The mini-fan of predetermined number is equipped in cavity, the mini-fan of predetermined number is spaced apart along lamp body length direction respectively, the side wall of curved surface shell is equipped with heat sink assembly corresponding with the gas outlet of mini-fan, the heat sink assembly includes at least two cooling fin, and at least two cooling fin is respectively arranged in non-breathable region.The utility model not only has triple heat radiation functions, is obviously improved the heat dissipation performance of lamp body；And cavity structure is taken full advantage of, do not change the appearance of lamp body；Further, reinforce heat dissipation performance from overall structure.

Description

A kind of blackboard lights having heat sinking function

Technical field

The utility model relates to educate lighting area, and in particular to a kind of blackboard lights for having heat sinking function.

Background technique

The lighting hours of blackboard lights is longer, it usually needs 7-15 hour of non-stop run；Also, it is all in order not to block Student corresponds to the sight of blackboard, and causes to hinder to the teaching process of teacher, just requires the structural modeling of blackboard lights as far as possible Miniaturization, be placed in eminence as far as possible, and this requires the illuminators of blackboard lights to want can to launch the light source of enough brightness It can just satisfy the use demand.Lighting hours is long as a result, and high light cannot be neglected heat dissipation according to the illuminator presence of intensity and ask Topic.Poor heat radiation reduces the service life of illuminator, to reduce the practicability of blackboard lights.

Therefore, it is necessary to provide a kind of blackboard lights for having heat sinking function to solve the above problems.

Utility model content

The technical problem to be solved by the utility model is to provide a kind of blackboard lights for having good heat radiating function, can make Blackboard lights preferably adapt to for a long time and the illumination work of high intensity, raising illuminator service life promote blackboard lights practicability.

In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model are as follows:

A kind of blackboard lights having heat sinking function, including lamp body further include that light source fixing plate, light-transmitting plate and curved surface are reflective Plate, the light source fixing plate, light-transmitting plate and curved reflecting plate are fixed in lamp body respectively；The light source fixing plate, light-transmitting plate It is successively enclosed with curved reflecting plate and sets to form a sector structure, and the shape of the longitudinal cross-section of the lamp body and the sector structure pair It answers；The light-transmitting plate is parallel with blackboard, and the light-emitting surface inclination of the light source fixing plate is arranged downward and forms default folder with blackboard Angle；

The lamp body further includes curved surface shell, forms a cavity between the curved surface shell and the curved reflecting plate；Institute The surface for stating curved surface shell includes ventilation area and non-breathable region, and the ventilative of predetermined number is offered on the ventilation area Hole；The mini-fan of predetermined number is equipped in the cavity, the mini-fan of predetermined number is respectively along lamp body length direction interval Distribution, the side wall of the curved surface shell is equipped with heat sink assembly corresponding with the gas outlet of the mini-fan, described to dissipate Backing component includes at least two cooling fin, and at least two cooling fin is respectively arranged in the non-breathable region.

Wherein, the parallel arranged for being spaced pre-determined distance between described at least two cooling fin two-by-two constitutes the cooling fin Component, and the air hole of predetermined number is equipped between two neighboring cooling fin；One end of the cooling fin and the curved surface Reflector is fixedly connected, and the other end is fixed in the non-breathable region, and one end of the cooling fin and the curved surface are reflective The contact surface of plate is equipped with thermal grease layer.

Wherein, the concave-convex curved profile of smooth transition is provided on the surface of the cooling fin.

Wherein, the air hole is bar shaped air hole.

Wherein, the material of the curved surface shell is copper.

Wherein, the lamp body further includes end casing；The lamp body is string configuration, and the end casing is fixed at described The both ends of lamp body, and the sector structure and the cavity are covered, the air hole of predetermined number is offered on the end casing.

Wherein, the light source in the light source fixing plate and the mini-fan pass through waterproof connector respectively and are located at the lamp Power supply connection outside body.

It wherein, further include that connecting bracket, fixed bracket, connecting rod and pallet, the lamp body can by the connecting bracket Rotation is set on the fixed bracket；The fixed bracket, connecting rod and pallet are fixedly connected sequentially.

The utility model has the beneficial effects that: passing through the cavity formed between curved surface shell and the curved reflecting plate It is interior while mini-fan, heat sink assembly and air hole are set, suction of the heat that light source can be made to distribute in mini-fan Under fast and efficiently guide to heat sink assembly, through it, efficiently conduction is dispersed into air by air hole to curved surface shell, is obtained Triple heat radiation functions are taken, the heat dissipation performance of lamp body is obviously improved；Meanwhile corresponding mini-fan, the cooling fin for realizing above-mentioned function Component and air hole are set up directly in the cavity, take full advantage of cavity structure, will not give the external structure band of lamp body Carry out any change.Further, splintery heat sink assembly used in the utility model, simultaneously using contact multichannel Heat-conducting mode can be conducted heat to more effectively on cooling fin and be dispersed into air by the corresponding air hole of channel outlet In, to significantly improve radiating efficiency；Further, the surface of cooling fin has turbulence structure, moreover it is possible to improve hot gas process Cooling fin diffuses to the flow velocity in air, improves the heat dissipation performance of lamp body again；Finally, the air hole of the utility model is designed as Bar shaped air hole, the material of curved surface shell are copper, are also equipped with air hole on end casing, are able to achieve and more fully radiate, make lamp Body obtains best heat dissipation effect.

Detailed description of the invention

Fig. 1 is the structural schematic diagram for having the lamp body in the blackboard lights of heat sinking function of the utility model embodiment；

Fig. 2 is the structural schematic diagram of the blackboard lights for having heat sinking function of the utility model embodiment one.

Label declaration:

1, blackboard lights；2, lamp body；3, light source fixing plate；4, light-transmitting plate；5, curved reflecting plate；

6, curved surface shell；7, cavity；8, ventilation area；9, non-breathable region；10, air hole；

11, heat sink assembly；12, cooling fin；13, mini-fan；14, end casing；

15, waterproof connector；16, power supply；17, connecting bracket；18, fixed bracket；19, connecting rod；

20, pallet；21, bolt；22, power supply line；23, flange nut；24, nut.

Specific embodiment

For technology contents, the objects and the effects that the utility model is described in detail, below in conjunction with embodiment and match Attached drawing is closed to be explained.

The design of the utility model most critical is: passing through the sky formed between curved surface shell and the curved reflecting plate Intracavitary while mini-fan, heat sink assembly and air hole is arranged, the heat that light source can be made to distribute is made in the suction of mini-fan It is fast and efficiently guided under to heat sink assembly, efficiently conducts to curved surface shell through it and be dispersed into air by air hole, Triple heat radiation functions are obtained, the heat dissipation performance for being obviously improved lamp body please refers to Fig. 1, and the utility model provides one kind and has heat dissipation function The blackboard lights of energy, including lamp body, further include light source fixing plate, light-transmitting plate and curved reflecting plate, the light source fixing plate, light-transmitting plate It is fixed in lamp body respectively with curved reflecting plate；The light source fixing plate, light-transmitting plate and curved reflecting plate, which successively enclose, to be set to be formed One sector structure, and the shape of the longitudinal cross-section of the lamp body is corresponding with the sector structure；The light-transmitting plate is parallel with blackboard, The light-emitting surface inclination of the light source fixing plate is arranged downward and forms default angle with blackboard；

The lamp body further includes curved surface shell, forms a cavity between the curved surface shell and the curved reflecting plate；Institute The surface for stating curved surface shell includes ventilation area and non-breathable region, and the ventilative of predetermined number is offered on the ventilation area Hole；The mini-fan of predetermined number is equipped in the cavity, the mini-fan of predetermined number is respectively along lamp body length direction interval Distribution, the side wall of the curved surface shell is equipped with heat sink assembly corresponding with the gas outlet of the mini-fan, described to dissipate Backing component includes at least two cooling fin, and at least two cooling fin is respectively arranged in the non-breathable region.

As can be seen from the above description, the utility model has the beneficial effects that: by reflective in curved surface shell and the curved surface In the cavity formed between plate while mini-fan, heat sink assembly and air hole are set, the heat that light source can be made to distribute is micro- It is fast and efficiently guided under the suction of type fan to heat sink assembly, is efficiently conducted to curved surface shell through it by breathing freely Hole is dispersed into air, obtains triple heat radiation functions, is obviously improved the heat dissipation performance of lamp body；Meanwhile the corresponding above-mentioned function of realization Mini-fan, heat sink assembly and air hole be set up directly in the cavity, take full advantage of cavity structure, will not give The external structure of lamp body brings any change.

Further, the parallel arranged for being spaced pre-determined distance between described at least two cooling fin two-by-two constitutes described dissipate Backing component, and the air hole of predetermined number is equipped between two neighboring cooling fin；One end of the cooling fin with it is described Curved reflecting plate is fixedly connected, and the other end is fixed in the non-breathable region, one end of the cooling fin and the curved surface The contact surface of reflector is equipped with thermal grease layer.

Seen from the above description, splintery heat sink assembly used in the utility model uses contact multichannel simultaneously Heat more effectively can be quickly transmitted on cooling fin and corresponding by channel outlet by heat-conducting mode by thermal grease layer Air hole is dispersed into air, to significantly improve radiating efficiency.

Further, the concave-convex curved profile of smooth transition is provided on the surface of the cooling fin.

Seen from the above description, the surface of cooling fin has turbulence structure, moreover it is possible to improve hot gas and diffuse to by cooling fin Flow velocity in air improves the heat dissipation performance of lamp body again.

Further, the air hole is bar shaped air hole.

Seen from the above description, the setting of bar shaped air hole can obtain larger ventilation area, even if ventilative hole number is more, Nor affect on the structural stability of curved surface shell.

Further, the material of the curved surface shell is copper.

Seen from the above description, curved surface shell is made of the strong copper material of the capacity of heat transmission, can be further improved lamp body Integral heat sink performance.

Further, the lamp body further includes end casing；The lamp body is string configuration, and the end casing is fixed at The both ends of the lamp body, and the sector structure and the cavity are covered, the ventilative of predetermined number is offered on the end casing Hole.

Seen from the above description, the end casing of the utility model also has airing function, and cavity can be made more ventilative.

Further, the light source in the light source fixing plate and the mini-fan pass through waterproof connector respectively and are located at institute State the power supply connection outside lamp body.

Seen from the above description, the generation that can effectively avoid meeting water drain conditions, improves the safety of blackboard lights.

It further, further include connecting bracket, fixed bracket, connecting rod and pallet, the lamp body passes through connection branch Frame is rotatably arranged on the fixed bracket；The fixed bracket, connecting rod and pallet are fixedly connected sequentially.

Seen from the above description, the rotatable setting of lamp body, convenient for when light angle is adjusted flexibly, it is more practical Property；Meanwhile being designed using ceiling mounting type, space utilization can be optimized.

Referring to Fig.1 and 2, the embodiments of the present invention one are as follows:

A kind of good blackboard lights of heat dissipation are provided, is suitable for education sector, is illuminated for blackboard, make the clearer viewing of student Content on to blackboard.

The blackboard lights 1 include from bottom to top lamp body and connection component, and lamp body is fixed on ceiling by connection component On.

Wherein, referring to Fig. 1, the lamp body 2 includes light source fixing plate 3, light-transmitting plate 4 and curved reflecting plate 5, the light source Fixed plate 3, light-transmitting plate 4 and curved reflecting plate 5 are string configuration, along the length direction interval distance of the light source fixing plate 3 From the light source for being fixedly installed predetermined number.The light source fixing plate 3, light-transmitting plate 4 and curved reflecting plate 5 are fixed at respectively In lamp body 2；The light source fixing plate 3, light-transmitting plate 4 and curved reflecting plate 5, which successively enclose, to be set to form a sector structure, and the lamp body The shape of 2 longitudinal cross-section is corresponding with the sector structure.

Specifically, the arc structure of the corresponding sector structure of the curved reflecting plate 5.After the corresponding blackboard lights installation Original state, the light-transmitting plate 4 is parallel with blackboard, and the light source fixing plate 3 inclination is arranged downward simultaneously to be formed default with blackboard Angle.The light source fixing plate 3 is used for fixed light source；The light-transmitting plate 4 is for going out light；The curved reflecting plate 5 is for reflecting Light source.It is enclosed between the light-transmitting plate 4, light source fixing plate 3 and curved reflecting plate 5 according to predetermined angle and sets to form the fan-shaped knot Structure, the light that light source can be made to launch form default lighting angle model by the light that light-transmitting plate 4 projects after the reflection of curved reflecting plate 5 It encloses, so that light equably illuminates entire blackboard.

The lamp body 2 further includes curved surface shell 6, forms a cavity between the curved surface shell 6 and the curved reflecting plate 5 7；The surface of the curved surface shell 6 includes ventilation area 8 and non-breathable region 9, offers predetermined number on the ventilation area 8 Air hole 10.

Preferably, the number in the ventilation area 8 and non-breathable region 9 is respectively at least two, at least two it is ventilative Region 8 and non-breathable region 9 correspond and are staggered respectively, make in the best permeability of acquisition and can guarantee shell structure Stability.

The mini-fan 13 of predetermined number is equipped in the cavity 7, the mini-fan 13 of predetermined number is long along lamp body 2 respectively Spend the distribution setting of direction interval pre-determined distance；Meanwhile in the cavity 7, it is equipped with and institute on the side wall of the curved surface shell 6 The corresponding heat sink assembly 11 in gas outlet of mini-fan 13 is stated, i.e. mini-fan 13 is set to curved reflecting plate 5 and cooling fin Between component 11, and the air entry of mini-fan 13 and curved reflecting plate 5 are opposite, and gas outlet and heat sink assembly 11 are opposite. Specifically, the heat sink assembly 11 includes at least two cooling fin 12, at least two cooling fin 12 is respectively arranged on described In non-breathable region 9.

Optionally, the mini-fan 13 is fixedly connected by bracket with curved surface shell 6.

As a result, can by the stronger suction of mini-fan 13 in cavity 7 by light source direct irradiation on curved reflecting plate 5 The heat of generation is quickly, efficiently blown on heat sink assembly 11, then efficient by the cooling fin of heat sink assembly 11 again Guidance to curved surface shell 6, and after be dispersed into air through air hole 10, meanwhile, the air hole 10 on curved surface shell 6 can also make The hot gas that mini-fan 13 is blown out directly passes through, and plays certain heat spreading function.

In a specific embodiment, pre-determined distance is spaced between every two cooling fin 12, all cooling fins 12 are arranged parallel Column constitute heat sink assembly 11, and the air hole 10 of predetermined number, i.e. every two are equipped between two neighboring cooling fin 12 A ventilation area 8 is equipped between cooling fin.One end of the cooling fin is fixed in the non-breathable region 9, specifically, With the opposite other end in one end that is set in non-breathable region 9 on the cooling fin 12, be in vacant state, and with it is described miniature The gas outlet of fan 13 is opposite.The hot gas of the gas outlet blowout of mini-fan 13, a part can be conducted by free end via saturating Stomata 10 is dispersed into air；It is a part of directly to be distributed by air hole 10 into air.

Optionally, each cooling fin and light-transmitting plate 4 be arranged in parallel or each cooling fin 12 between be spaced pre-determined distance Parallel arranged setting, and one end of each cooling fin 12 and the curved reflecting plate 5 are opposite, the other end is set to the non-breathable area In domain 9.Above-mentioned design can make cooling fin 12 absorb as homogeneously as possible and conduct heat, so that integral heat sink is more efficient.

Preferably, the concave-convex curved profile of smooth transition is provided on the surface of the cooling fin 12.In cooling fin 12 Surface is provided with the turbulence structure formed by concave-convex curved profile, and hot gas can be made to improve by the speed on 12 surface of cooling fin, from And accelerate the speed that hot gas is dispersed into air, to reinforce heat dissipation effect.

Preferably, the air hole 10 is bar shaped air hole 10.Can while obtaining bigger ventilation area 8 as far as possible, It can ensure that curved surface shell 6 has good structural stability again.

Preferably, the material of the curved surface shell 6 copper good and at low cost using heating conduction.

Referring to Fig. 2, the lamp body 2 is string configuration, the lamp body 2 further includes end casing 14, the end casing 14 The both ends of the lamp body 2 are fixed at, and cover the sector structure and the cavity 7, are offered on the end casing 14 pre- If the air hole 10 of number.The end casing 14 of the present embodiment also has airing function, can further promote the gas permeability of lamp body 2 Energy.

The blackboard lights further include waterproof connector 15 and power supply 16, and the power supply 16 is fixed at the outside of the lamp body 2, Light source and mini-fan 13 in the light source fixing plate 3 by waterproof connector 15 and are located at outside the lamp body 2 respectively Power supply 16 connects.It is avoided that short circuit power-off after meeting water, not only influences using and there is risk, to guarantee the peace of blackboard lights Entirely.

The connection component of the blackboard lights includes connecting bracket 17, fixed bracket 18, connecting rod 19 and pallet 20.The lamp Body 2 is rotatably arranged on the fixed bracket 18 by the connecting bracket 17；The fixed bracket 18,19 and of connecting rod Pallet 20 is fixedly connected sequentially.Preferably, the connecting bracket 17 is connect by nut and screw with the fixed bracket 18, institute Stating connecting bracket 17 can rotate relative to the fixed bracket 18, gasket is additionally provided between nut and screw preferably to improve connection Stability.It is additionally provided with bolt 21 on the fixed bracket 18, to further increase connective stability.Preferably, the connecting rod 19 be aluminium bar, has good hardness.Preferably, the connecting rod 19 by the cooperation of flange nut 23 and nut 24 with it is described Pallet 20 is fixedly connected.The power supply line 22 of connection power supply 16 is stretched out from pallet 20 via connecting rod 19.

In conclusion a kind of good blackboard lights of heat dissipation provided by the utility model, not only have triple heat radiation functions, show Write the heat dissipation performance for promoting lamp body；And cavity structure is taken full advantage of, do not change the appearance of lamp body；Further, from entirety Reinforce heat dissipation performance in structure, so that heat is more effectively conducted heat；Meanwhile also having that structure is simple, firmly installs, is real The advantages that high with property.

The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all Equivalents made based on the specification and figures of the utility model are applied directly or indirectly in relevant technology neck Domain is also included in the patent protection scope of the utility model.

Claims (8)

1. a kind of blackboard lights for having heat sinking function, including lamp body, which is characterized in that further include light source fixing plate, light-transmitting plate and Curved reflecting plate, the light source fixing plate, light-transmitting plate and curved reflecting plate are fixed in lamp body respectively；The light source is fixed Plate, light-transmitting plate and curved reflecting plate, which successively enclose, to be set to form a sector structure, and the shape of the longitudinal cross-section of the lamp body with it is described Sector structure is corresponding；The light-transmitting plate is parallel with blackboard, and the light-emitting surface inclination of the light source fixing plate is arranged downward and and blackboard Form default angle；

The lamp body further includes curved surface shell, forms a cavity between the curved surface shell and the curved reflecting plate；The song The surface of face shell includes ventilation area and non-breathable region, and the air hole of predetermined number is offered on the ventilation area；Institute The mini-fan that predetermined number is equipped in cavity is stated, the mini-fan of predetermined number is spaced apart along lamp body length direction respectively, The side wall of the curved surface shell is equipped with heat sink assembly corresponding with the gas outlet of the mini-fan, the cooling fin group Part includes at least two cooling fin, and at least two cooling fin is respectively arranged in the non-breathable region.

2. a kind of blackboard lights for having heat sinking function as described in claim 1, which is characterized in that described at least two heat dissipation The parallel arranged for being spaced pre-determined distance between piece two-by-two constitutes the heat sink assembly, and is equipped between two neighboring cooling fin pre- If the air hole of number；One end of the cooling fin is fixedly connected with the curved reflecting plate, and the other end is fixed at institute It states in non-breathable region, the contact surface of one end of the cooling fin and the curved reflecting plate is equipped with thermal grease layer.

3. a kind of blackboard lights for having heat sinking function as described in claim 1, which is characterized in that on the surface of the cooling fin It is provided with the concave-convex curved profile of smooth transition.

4. a kind of blackboard lights for having heat sinking function as described in claim 1, which is characterized in that the air hole is that bar shaped is saturating Stomata.

5. a kind of blackboard lights for having heat sinking function as described in claim 1, which is characterized in that the material of the curved surface shell For copper.

6. a kind of blackboard lights for having heat sinking function as described in claim 1, which is characterized in that the lamp body further includes end cap Plate；The lamp body is string configuration, and the end casing is fixed at the both ends of the lamp body, and cover the sector structure and The cavity offers the air hole of predetermined number on the end casing.

7. a kind of blackboard lights for having heat sinking function as described in claim 1, which is characterized in that in the light source fixing plate Light source and the mini-fan pass through waterproof connector respectively and connect with the power supply being located at outside the lamp body.

8. a kind of blackboard lights for having heat sinking function as described in claim 1, which is characterized in that further include connecting bracket, solid Fixed rack, connecting rod and pallet, the lamp body are rotatably arranged on the fixed bracket by the connecting bracket；It is described Fixed bracket, connecting rod and pallet are fixedly connected sequentially.